SUNOCO PIPELINE L.P.
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | SUNOCO PIPELINE L.P. |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 40.31960, -76.04310 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
INVESTIGATION OF AN AREA OF DARKER SOIL REPORTED BY A LANDOWNER DISCOVERED A VERY SLIGHT WEEPING LEAK COMING FROM THE 14 INCH PIPE LINE. A TEMPORARY REPAIR WAS MADE. A SECTION OF THE PIPE WAS CUT OUT AND REPLACED WITH NEW PIPE. THE CUT OUT SECTION WAS SENT TO DNV FOR ANALYSIS TO DETERMINE THE NATURE OF THE FEATURE IDENTIFIED AS THE SOURCE OF THE RELEASE. THE RESULTS OF THE FAILURE ANALYSIS INDICATE THAT THE CAUSE OF THE LEAK WAS A PRE-EXISTING CAVITY IN THE PIPE WALL THAT WAS ASSOCIATED WITH THE LAMINATIONS. THE DEFECT LOCALLY REDUCED THE WALL THICKNESS, WHICH INCREASED THE CYCLIC HOOP STRESS, RESULTING IN THE INITIATION AND GROWTH OF FATIGUE CRACKS. FINAL FAILURE OCCURRED AS A RESULT OF DUCTILE OVERLOAD, RESULTING IN A LEAK.
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.